There are only five in the State but they are all major arteries.
|Route||South or West Terminus||North or East Terminus||Comments|
|1||CT State Line; Town of Westerly||MA State Line; City of Pawtucket||Longest State Route in RI ; Parallels I-95 all the way from Maine to Florida; Was pretty much replaced as an artery by I-95|
|1A||CT State Line; Town of Westerly||MA State Line; City of Pawtucket|
|6||CT State Line; Town of Foster||MA State Line; City of East Providence||Merges with SR 10 in Providence into an Expressway; Merges with I-195 at I-95; Goes from California to Cape Cod.|
|6A||I-295 and US 6; City of Johnston||US 6 and SR 10; City of Providence|
|44||CT State Line; City of Gloucester||MA State Line; City of East Providence||Merges with I-195 for about 3 miles in Providence|